89528087 has 8 divisors (see below), whose sum is σ = 97802640. Its totient is φ = 81276160.

The previous prime is 89528081. The next prime is 89528129. The reversal of 89528087 is 78082598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89528087 - 2⁴ = 89528071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89528081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239 + ... + 13767.

It is an arithmetic number, because the mean of its divisors is an integer number (12225330).

Almost surely, 2^89528087 is an apocalyptic number.

89528087 is a deficient number, since it is larger than the sum of its proper divisors (8274553).

89528087 is a wasteful number, since it uses less digits than its factorization.

89528087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 322560, while the sum is 47.

The square root of 89528087 is about 9461.9282918441. The cubic root of 89528087 is about 447.3558300913.

It can be divided in two parts, 895 and 28087, that added together give a palindrome (28982).

The spelling of 89528087 in words is "eighty-nine million, five hundred twenty-eight thousand, eighty-seven".